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-rw-r--r--src/cmd/8c/peep.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/8c/peep.c b/src/cmd/8c/peep.c
index 9e18fc94d..9511a5579 100644
--- a/src/cmd/8c/peep.c
+++ b/src/cmd/8c/peep.c
@@ -713,7 +713,7 @@ copyu(Prog *p, Adr *v, Adr *s)
return 3;
case ACALL: /* funny */
- if(REGARG >= 0 && v->type == REGARG)
+ if(REGARG >= 0 && v->type == (uchar)REGARG)
return 2;
if(s != A) {